199698740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3527}}^1$

素因数の和:3704

約数の個数: 48

約数和(自身を含む): 444528000

約数和(自身を除く): 244829260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 745, 1490, 2831, 2980, 3527, 5662, 7054, 11324, 14108, 14155, 17635, 28310, 35270, 56620, 67013, 70540, 134026, 268052, 335065, 525523, 670130, 1051046, 1340260, 2102092, 2627615, 5255230, 9984937, 10510460, 19969874, 39939748, 49924685, 99849370, 199698740]

約数ペア:

[(1, 199698740), (2, 99849370), (4, 49924685), (5, 39939748), (10, 19969874), (19, 10510460), (20, 9984937), (38, 5255230), (76, 2627615), (95, 2102092), (149, 1340260), (190, 1051046), (298, 670130), (380, 525523), (596, 335065), (745, 268052), (1490, 134026), (2831, 70540), (2980, 67013), (3527, 56620), (5662, 35270), (7054, 28310), (11324, 17635), (14108, 14155)]